Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai chu chan snippets" » "lai chu han snippets", "lai chua chay snippets", "lai chu van snippets", "lai chau chan snippets", "lam chu chan snippets", "lai cho chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lai chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lai chu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai chu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.